Layer-stranded light armored optical cable

Abstract

The utility model discloses a layer stranded type light armored optical cable, which comprises a central reinforcing core, optical fibers, cable filler, a plastic coated aluminum tape, a reinforcing support structure, a protective structure, a loose tube and an outer sheath, the optical fibers are distributed around the central reinforcing core, the cable filler is filled around the optical fibers, the plastic coated aluminum tape is wrapped on the surfaces of the optical fibers and the cable filler, and the protective structure is arranged on the outer sheath. The surface of the plastic-coated aluminum tape is wrapped with a reinforcing support structure, the surface of the reinforcing support structure is wrapped with a protection structure, the surface of the protection structure is wrapped with a loose tube, and the surface of the loose tube is wrapped with an outer sheath. According to the optical cable, the supporting structure of the optical cable is effectively improved through reasonable design, and the protection and shielding effects of the optical cable are further improved in cooperation with a protection structure.

Description

Technical Field

[0001] The utility model relates to an optical cable, in particular to a layer-twisted light-armored optical cable. Background Art

[0002] Optical cable is a communication cable assembly that uses one or more optical fibers placed in a sheath as a transmission medium and can be used individually or in groups. The support strength and shielding effect of the currently used light-armored optical cables need to be improved, so a new type of layer-twisted light-armored optical cable with good support, protection and shielding effects is needed. Utility Model Content

[0003] The utility model aims to provide a layer-twisted light-armored optical cable to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A layer-stranded light-armored optical cable comprises a central reinforcing core, optical fibers, cable fillers, plastic-coated aluminum tapes, a reinforcing support structure, a protective structure, a loose tube, and an outer sheath. Optical fibers are distributed around the central reinforcing core, the optical fibers are filled with cable fillers, the surfaces of the optical fibers and the cable fillers are wrapped with plastic-coated aluminum tapes, the surface of the plastic-coated aluminum tapes is wrapped with a reinforcing support structure, the surface of the reinforcing support structure is wrapped with a protective structure, the surface of the protective structure is wrapped with a loose tube, and the surface of the loose tube is wrapped with an outer sheath.

[0006] Based on the above technical solution, the reinforced support structure includes a silicone support sleeve, a steel wire mounting hole, a steel wire, and a filling support block. The right end surface of the silicone support sleeve is provided with four groups of symmetrically distributed steel wire mounting holes. The inner side of the steel wire mounting holes is filled with steel wires, and the surface of the silicone support sleeve is filled with a filling support block that is bonded and fixed.

[0007] Based on the above technical solution, the protective structure includes a copper wire woven mesh, a flame retardant layer, and a water-blocking layer. The outer side of the copper wire woven mesh is wrapped with a flame retardant layer, and the surface of the flame retardant layer is wrapped with a water-blocking layer.

[0008] Compared with the prior art, the utility model has the following advantages: the utility model can further improve the support and tensile resistance of the optical cable by strengthening the support structure with four sets of steel wires and support blocks, and then cooperate with the protective structure to effectively ensure the water-blocking, flame-retardant and electromagnetic shielding effects of the optical cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the appearance structure of the utility model.

[0010] Figure 2 This is a schematic diagram of the reinforced support structure of the utility model.

[0011] Figure 3 It is a schematic diagram of the protective structure of the utility model.

[0012] In the figure: 1. central reinforcement core, 2. optical fiber, 3. cable filler, 4. plastic-coated aluminum tape, 5. reinforcement support structure, 6. protection structure, 7. loose tube, 8. outer sheath, 9. silicone support sleeve, 10. steel wire mounting hole, 11. steel wire, 12. filling support block, 13. copper wire braided mesh, 14. flame retardant layer, 15. water-blocking layer. DETAILED DESCRIPTION

[0013] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0014] like Figure 1-3 As shown, a layer-stranded light-armored optical cable comprises a central reinforcing core 1, an optical fiber 2, a cable filler 3, a plastic-coated aluminum tape 4, a reinforcing support structure 5, a protective structure 6, a loose tube 7, and an outer sheath 8. The central reinforcing core 1 is surrounded by optical fibers 2, the optical fibers 2 are surrounded by the cable filler 3, the surfaces of the optical fibers 2 and the cable filler 3 are wrapped with the plastic-coated aluminum tape 4, the surface of the plastic-coated aluminum tape 4 is wrapped with the reinforcing support structure 5, the surface of the reinforcing support structure 5 is wrapped with the protective structure 6, the surface of the protective structure 6 is wrapped with the loose tube 7, and the surface of the loose tube 7 is wrapped with the outer sheath 8.

[0015] The reinforced support structure 5 includes a silicone support sleeve 9, a steel wire mounting hole 10, a steel wire 11, and a filling support block 12. The right end surface of the silicone support sleeve 9 is provided with four groups of symmetrically distributed steel wire mounting holes 10. The inner side of the steel wire mounting holes 10 is filled with steel wires 11. The surface of the silicone support sleeve 9 is filled with a filling support block 12 that is bonded and fixed.

[0016] The protective structure 6 includes a copper wire braided mesh 13 , a flame retardant layer 14 , and a water-blocking layer 15 . The outer side of the copper wire braided mesh 13 is wrapped with the flame retardant layer 14 , and the surface of the flame retardant layer 14 is wrapped with the water-blocking layer 15 .

[0017] The working principle of the utility model is as follows: first, the tensile strength of the optical cable is improved by using a silicone support sleeve in combination with a steel wire installation hole and steel wire, and then the compressive support strength of the cable is strengthened by using a silicone support sleeve in combination with a filling support block, and then the waterproof, flame retardant and water-blocking layers inside the protective structure further strengthen the waterproof, flame retardant and electromagnetic shielding effects of the optical cable.

[0018] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A layer-stranded light-armored optical cable, comprising a central reinforcing core (1), optical fibers (2), cable fillers (3), plastic-coated aluminum tapes (4), a reinforcing support structure (5), a protective structure (6), a loose tube (7), and an outer sheath (8), characterized in that: Optical fibers (2) are distributed around the central reinforcing core (1), and the optical fibers (2) are filled with cable fillers (3) around them. The surfaces of the optical fibers (2) and the cable fillers (3) are wrapped with plastic-coated aluminum strips (4), and the surfaces of the plastic-coated aluminum strips (4) are wrapped with a reinforcing support structure (5), and the surfaces of the reinforcing support structure (5) are wrapped with a protective structure (6), and the surfaces of the protective structure (6) are wrapped with a loose tube (7), and the surfaces of the loose tube (7) are wrapped with an outer sheath (8). The reinforcing support structure (5) includes a silicone support sleeve (9), a steel wire mounting hole (1 0), steel wire (11), and a filling support block (12); the right end surface of the silicone support sleeve (9) is provided with four groups of symmetrically distributed steel wire mounting holes (10); the inner sides of the steel wire mounting holes (10) are filled with steel wires (11); the surface of the silicone support sleeve (9) is filled with a filling support block (12) that is bonded and fixed; the protective structure (6) comprises a copper wire braided mesh (13), a flame retardant layer (14), and a water-blocking layer (15); the outer side of the copper wire braided mesh (13) is wrapped with a flame retardant layer (14); and the surface of the flame retardant layer (14) is wrapped with a water-blocking layer (15).

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